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PRAS: Probabilistic Resource Adequacy Suite
PRAS is a modeling suite developed by NREL that performs probabilistic resource adequacy assessments for power systems. It incorporates weather variability, generator outages, and demand uncertainty to estimate metrics such as loss of load expectation (LOLE). Users can explore how...
NLR
Apr 20, 2025
Levelized Cost of Energy Calculator
This online calculator from NREL allows users to estimate the levelized cost of energy (LCOE) for a wide range of technologies, including solar, wind, storage, and conventional generation. Users input parameters such as capital cost, operating and maintenance cost, capacity factor...
NLR
Mar 30, 2026
PR-DRIFT: Puerto Rico Demand Response Impact and Forecast Tool
PR-DRIFT is an NREL-developed tool that models and forecasts the impacts of demand response programs on Puerto Rico's electric grid. It simulates how customer participation in demand response can reduce peak loads, provide ancillary services, and improve resilience. The tool helps...
NLR
Mar 11, 2025
PREESAT: Puerto Rico Energy Efficiency Scenario Analysis Tool
The Puerto Rico Energy Efficiency Scenario Analysis Tool (PREESAT) developed by NREL allows policymakers and stakeholders to model the impacts of energy efficiency measures on Puerto Rico's energy consumption and economic development. Users can explore scenarios for different sect...
NLR
Mar 18, 2025
NREL's PVWatts Calculator
PVWatts is an easy to use calculator from NREL that estimates the annual energy output and levelized cost of electricity for a grid connected photovoltaic system based on system size, location, array tilt, and basic performance assumptions. It uses National Solar Radiation Databas...
NLR
Dec 31, 2024
MHKiT (Marine and Hydrokinetic Toolkit)
MHKiT is an open-source software package developed by NREL, Pacific Northwest National Laboratory (PNNL), and Sandia National Laboratories for processing, analyzing, and visualizing data from marine and hydrokinetic (MHK) energy systems. The toolkit includes modules for resource c...
NREL, P. NLR
Dec 31, 2018
Resource Planning Portal
Lawrence Berkeley National Laboratory's Resource Planning Portal centralizes publicly available integrated resource plans, procurement solicitations, and related planning documents from utilities and regional grid operators. Users can search by utility, state, filing year, resourc...
Laboratory, N. Lawrence Berkeley National Laboratory
Dec 31, 2025
State and Local Planning for Energy (SLOPE)
The State and Local Planning for Energy (SLOPE) platform developed by NREL integrates data on energy supply, demand, and efficiency across sectors to support planning by state and local governments. SLOPE offers interactive dashboards and downloadable datasets that combine informa...
NLR
Dec 31, 2025
Distributed Energy Resource Framework
The Distributed Energy Resource Cybersecurity Framework (DER-CF) is a guidance and assessment tool developed by NREL and industry partners to help organizations evaluate the cybersecurity posture of their distributed energy resource systems. The tool provides a structured question...
NLR
Dec 31, 2025
Microgrid Design Toolkit (MDT)
Sandia National Laboratories' Microgrid Design Toolkit (MDT) is a decision support tool that helps engineers design microgrids to meet user-defined objectives. It integrates load modeling, renewable and conventional generation options, energy storage, and control strategies to eva...
Sandia National Laboratories
Dec 31, 2024
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